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A national survey of companies included a question that asked whether the company had at least one bilingual telephone operator. The sample results of 90 companies follow. (Y denotes that the company does have at least one bilingual operator; N denotes that it does not.) N N Y N Y Y N Y Y N NY N YNY N Y Y Y N Y N NY N N Y N N N N N N N

A national survey of companies included a question that asked whether the company had at least one bilingual telephone operator. The sample results of 90 companies follow. (Y denotes that the company does have at least one bilingual operator; N denotes that it does not.) N N Y N Y Y N Y Y N NY N YNY N Y Y Y N Y N NY N N Y N N N N N N N

Elements Of Modern Algebra
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.7: Introduction To Coding Theory (optional)
Problem 7E
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A national survey of companies included a question that asked whether the company had at least one bilingual telephone operator. The sample results of 90 companies follow. (Y denotes that the company does have at least one bilingual operator; N denotes that it does not.) N Y Y N N Y N N Y Y N N N Y NY NY NY Y Y Y N Y N Y N N Y N Y Y N Y N Y N Y Y N N Y N N N Y Y Y N Y N N N N N NY Y N NY N Appendix A Statistical Tables Use this information to estimate with 95% confidence the proportion of the population that does have at least one bilingual operator. (Round the answers to 3 decimal places, e.g. 0.758.) sps z z z z > > >
Transcribed Image Text:A national survey of companies included a question that asked whether the company had at least one bilingual telephone operator. The sample results of 90 companies follow. (Y denotes that the company does have at least one bilingual operator; N denotes that it does not.) N Y Y N N Y N N Y Y N N N Y NY NY NY Y Y Y N Y N Y N N Y N Y Y N Y N Y N Y Y N N Y N N N Y Y Y N Y N N N N N NY Y N NY N Appendix A Statistical Tables Use this information to estimate with 95% confidence the proportion of the population that does have at least one bilingual operator. (Round the answers to 3 decimal places, e.g. 0.758.) sps z z z z > > >
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